. >> ryssdal: deficit, right? that's cut the deficit. >> cut the deficit. >> ryssdal: so they didn't say "vote for," they didn't say rehberg for... or tester for congress, but they did say the word "deficit." >> they did say the word "deficit." >> ryssdal: bang-- that's an issue ad. >> that's an issue ad. >> ryssdal: okay, really? >> by the magic word test, that would be an issue advocacy ad. now you and i both know that this ad is aired during an election cycle and is intended to help jon tester. >> ryssdal: i wanted to know more about the group that made this ad. because you can't tell much from its name-- citizens for strength and security fund. so i went to their website and here's what i learned. they're a 501c4, social welfare group. they're an issues advocacy group-- they tell me that a couple of times. but that's it. there's no people listed, there's no address listed, there's no phone number listed. they make it really hard to find out who they are. the only way we know who they are and where they are is